Potassium chloride

Product Name

Potassium chloride, BioUltra, Molecular Biology, ≥99.5% (AT)

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

InChI

1S/ClH.K/h1H;/q;+1/p-1

SMILES string

[Cl-].[K+]

grade

Molecular Biology

product line

BioUltra

assay

≥99.5% (AT)

form

solid

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤0.001% total nitrogen (N)

loss

≤0.2% loss on drying, 110 °C

pH

5.0-8.0 (25 °C, 1 M in H₂O)

mp

770 °C (lit.)

solubility

H₂O: 1 M at 20 °C, clear, colorless

density

1.98 g/mL at 25 °C (lit.)

anion traces

bromide (Br^-): ≤700 mg/kg
iodide (I^-): ≤20 mg/kg
phosphate (PO₄^3-): ≤5 mg/kg
sulfate (SO₄^2-): ≤30 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤10 mg/kg
Bi: ≤5 mg/kg
Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤2 mg/kg
Li: ≤5 mg/kg
Mg: ≤10 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤200 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H₂O

UV absorption

λ: 260 nm A_max: 0.01
λ: 280 nm A_max: 0.01

Quality Level

200